Home / 1,336,642.72-2,000,511.12-1,069,148.32

Finding the Fourth Proportional to 1,336,642.72, 2,000,511.12 and 1,069,148.32

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Solution

The fourth proportional to 1,336,642.72, 2,000,511.12 and 1,069,148.32 is: 1,600,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,642.72 : 2,000,511.12 = 1,069,148.32 : x
  2. Step 2: Convert to fraction form
    1,336,642.72/2,000,511.12 = 1,069,148.32/x
  3. Step 3: Cross multiply
    1,336,642.72x = 2,000,511.12 × 1,069,148.32
  4. Step 4: Simplify right side
    1,336,642.72x = 2,138,843,103,089.32
  5. Step 5: Solve for x
    x = 2,138,843,103,089.32/1,336,642.72
  6. Step 6: Final answer
    x = 1,600,160.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.